mirror of
https://github.com/Hopiu/django-select2.git
synced 2026-04-19 20:51:01 +00:00
f3569bcea2
* Fixed infinite recursion causing Python crash bug. * Multi-value is working. * Tested added for multi-value field.
84 lines
1.9 KiB
Python
84 lines
1.9 KiB
Python
def convert_to_js_string_arr(lst):
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lst = ['"%s"' % l for l in lst]
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return u"[%s]" % (",".join(lst))
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def render_js_script(inner_code):
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return u"""
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<script>
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$(function () {
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%s
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});
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</script>""" % inner_code
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class JSVar(unicode):
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"Denotes a JS variable name, so it must not be quoted while rendering."
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pass
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class JSFunction(JSVar):
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"""
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Flags that the string is the name of a JS function. Used by Select2Mixin.render_options()
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to make sure that this string is not quoted like other strings.
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"""
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pass
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class JSFunctionInContext(JSVar):
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"""
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Like JSFunction, this too flags the string as JS function, but with a special requirement.
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The JS function needs to be invoked in the context of the current Select2 Html DOM,
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such that 'this' inside the function refers to the source Select2 DOM.
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"""
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pass
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def extract_some_key_val(dct, keys):
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edct = {}
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for k in keys:
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v = dct.get(k, None)
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if v is not None:
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edct[k] = v
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return edct
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### Auto view helper utils ###
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import re
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import threading
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import datetime
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def synchronized(f):
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f.__lock__ = threading.Lock()
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def synced_f(*args, **kwargs):
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with f.__lock__:
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return f(*args, **kwargs)
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return synced_f
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__id_store = {}
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__field_store = {}
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ID_PATTERN = r"[0-9_a-zA-Z.:+\- ]+"
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def is_valid_id(val):
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regex = "^%s$" % ID_PATTERN
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if re.match(regex, val) is None:
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return False
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else:
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return True
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@synchronized
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def register_field(name, field):
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global __id_store, __field_store
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if name not in __field_store:
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# Generating id
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id_ = "%d:%s" % (len(__id_store), str(datetime.datetime.now()))
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__field_store[name] = id_
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__id_store[id_] = field
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else:
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id_ = __field_store[name]
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return id_
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def get_field(id_):
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return __id_store.get(id_, None)
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